diff -r 114a89518aea -r 4383809c176a testing3/re1c_test.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing3/re1c_test.scala	Thu Nov 23 10:56:47 2017 +0000
@@ -0,0 +1,21 @@
+
+import scala.concurrent._
+import scala.concurrent.duration._
+import ExecutionContext.Implicits.global
+import scala.language.postfixOps 
+import scala.language.reflectiveCalls
+
+
+lazy val f = Future {
+  import CW8a._
+
+  assert(simp(ZERO | ONE) == ONE)
+  assert(simp(STAR(ZERO | ONE)) == STAR(ZERO | ONE))
+  assert(simp(ONE ~ (ONE ~ (ONE ~ CHAR('a')))) == CHAR('a'))
+  assert(simp(ONE ~ (ONE ~ (ONE ~ ZERO))) == ZERO)
+  assert(simp(ALT(ONE ~ (ONE ~ (ONE ~ ZERO)), CHAR('a'))) == CHAR('a'))
+  assert(simp(CHAR('a') | CHAR('a')) == CHAR('a'))
+  assert(simp(ONE | CHAR('a')) == (ONE | CHAR('a')))
+}
+
+Await.result(f, 30 second)